Home / 5,717.40-8,575.56-2,942.61

Finding the Fourth Proportional to 5,717.40, 8,575.56 and 2,942.61

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Solution

The fourth proportional to 5,717.40, 8,575.56 and 2,942.61 is: 4,413.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.40 : 8,575.56 = 2,942.61 : x
  2. Step 2: Convert to fraction form
    5,717.40/8,575.56 = 2,942.61/x
  3. Step 3: Cross multiply
    5,717.40x = 8,575.56 × 2,942.61
  4. Step 4: Simplify right side
    5,717.40x = 25,234,528.61
  5. Step 5: Solve for x
    x = 25,234,528.61/5,717.40
  6. Step 6: Final answer
    x = 4,413.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.